Please anwer Q. 11,12,14,15...
Please tell me the logic of this n/m square or cube
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Qno.15
Force is exerted on one surface of cube of side 2m
so area on which force is exerted is area of one surface of cube
=2×2m2 =4m2
now , pressure =force/area=16/4=4N/m2
Force is exerted on one surface of cube of side 2m
so area on which force is exerted is area of one surface of cube
=2×2m2 =4m2
now , pressure =force/area=16/4=4N/m2
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